Calender, and floor production line and production method

A calender, comprising a calendering roller rack and a set of calendering rollers arranged on the calendering roller rack, wherein the set of calendering rollers are horizontally arranged relative to each other and no calendering roller is vertically arranged relative to the set of calendering rollers, and the set of calendering rollers comprises a calendering roller at a feed end, a second calendering roller, a third calendering roller and an embossing roller arranged in sequence along a horizontal direction;

• the calender further comprises a film laminating assembly and a film laminating assembly rack for mounting the film laminating assembly;
• the film laminating assembly comprises a printing film assembly configured to guide a printing film and a wear-resistant film assembly configured to guide a wear-resistant film, the printing film assembly and the wear-resistant film assembly are arranged on an operating platform side by side, and, when in operation, the printing film is guided to the calendering roller at the feed end via a first guide mechanism, and the wear-resistant film is guided to the third calendering roller via a second guide mechanism to laminate the printing film and the wear-resistant film onto a blank;
• the first guide mechanism comprises a first preliminary guide wheel arranged on the operating platform;
• along a feeding path of the printing film, the first guide mechanism further comprises a first extended guide wheel set arranged at a rear end of the first preliminary guide wheel, and the first extended guide wheel set at least comprises one guide wheel;
• the first guide mechanism further comprises a first flattening roller arranged at a rear end of the first extended guide wheel set;
• to mount the first extended guide wheel set, a first guide rack arranged to extend toward the set of calendering rollers from the operating platform is further provided;
• the second guide mechanism comprises a second preliminary guide wheel arranged on the operating platform;
• along a feeding path of the wear-resistant film, a second extended guide wheel set and a second flattening roller are arranged at a rear end of the second preliminary guide wheel;
• and, a second guide rack is further provided, on which the second extended guide wheel set is mounted.